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Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ54, MPN 5SJ41057HG40) is a C-Curve, 1-Pole UL489 DIN Rail-Mount device from the 5SJ4 series rated at 0.5 A. It supports 240V AC with a 14kA interrupting rating and…

SKU 3G-OTH-22364

Brand
Siemens
Item
Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ41057HG40
Series
5SJ4
Type
14kA at 240V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
14kA at 240V AC
AC Voltage Rating
240V AC
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ54, MPN 5SJ41057HG40) is a C-Curve, 1-Pole UL489 DIN Rail-Mount device from the 5SJ4 series rated at 0.5 A. It supports 240V AC with a 14kA interrupting rating and 60V DC, featuring screw-clamp terminals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 5SJ41057HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41057HG40 is a C-Curve, 1-pole UL489 DIN rail-mount miniature circuit breaker rated 0.5 A. It protects branch circuits in industrial control panels, HVAC equipment, and lighting systems against overloads and short circuits at 240V AC or 60V DC.

What are the specifications of the SIEMENS 5SJ41057HG40?

This SIEMENS 5SJ4 series breaker is rated 0.5 A, 240V AC with a 14kA interrupting rating, and 60V DC. It uses screw-clamp terminals and is a C-Curve, 1-pole UL489 device. The MPN is 5SJ41057HG40.

Where to buy the SIEMENS 5SJ41057HG40 worldwide?

3G Electric supplies the SIEMENS 5SJ41057HG40 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 0.5 A, 240V AC/60V DC breaker.

How to install the SIEMENS 5SJ41057HG40 on a DIN rail?

Snap the SIEMENS 5SJ41057HG40 onto a standard 35 mm DIN rail until it locks. Connect line and load wires to the screw-clamp terminals, torquing to the manufacturer's specification. Ensure the breaker is off before wiring and verify the circuit is de-energized.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens c-curve, 1-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS IEC Miniature Circuit Breaker: 50 A Amps, 60V DC, 10kA at 240V AC, Screw Clamp, 5SJ4, AC/DC (MPN 5SJ41507HG40). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 10kA at 240V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 240V AC.
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SIEMENS IEC Miniature Circuit Breaker: 16 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp, 5SJ4, AC/DC (MPN 5SJ41167HG40). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 240V AC.
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SIEMENS IEC Miniature Circuit Breaker: 4 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp, 5SJ4, 277V AC (MPN 5SJ41047HG42). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 10kA at 277V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 277V AC.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 4 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp, 5SJ4, 277V AC (MPN 5SJ41047HG42). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 10kA at 277V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 277V AC.